Texas Air Control Board Austin Texas Interoffice From: Lawrence E. Pewitt, P.E., Acting Director, Permits Division To: Regional Directors Permits Engineers and Section Chiefs Date: May 22, 1984 Subject: Standard Exemption (SE) No. 37 A question has arisen as to the applicability of SE No. 37 to brick kilns. SE No. 37 is intended for small ceramic kilns firing ceramic ware such as tile or pottery. This exemption is not intended for applicability to brick kilns. Emissions from brick kilns can consist of fluorides, sulfur compounds and particulate matter in amounts that must be determined by permit review.